Benning CC 4-1. AC precision current clamp adapter. In combination with the BENNING IT 200 installation tester for precise measurement of leakage, leakage, protective conductor and load currents, earth loop resistance measurement and for extending the current range. Extends the AC current range of analog and digital multimeters up to 1200 A. Digital display via installation tester/multimeter. Current measuring range/AC 0.0001 A - 1200 A. Current type alternating current. Output 1 mA/ 1 A. True RMS measurement (TRMS). Power current measurement. Leakage current measurement. Harmonic measurement. Manual measurement range selection. Clamp opening 52 mm. Designed as an adapter for connection to multimeter. Measuring circuit category Cat III. Max. voltage measuring circuit category 600 V.